Network tool
IPv4 subnet calculator
Enter an IP and CIDR prefix to get the network, broadcast, usable host range, mask, wildcard and host count.
Omit the prefix to default to /24. Supports /0 through /32 including point-to-point /31 (RFC 3021) and host /32.
Designing or segmenting a network?
OEsupplies does network design, VPN and firewall configuration for businesses across Guyana and the Caribbean.